Digital Communication
Types of Quantizers
· Uniform · Non uniform quantization Uniform Quantizer: In Uniform type, the quantization levels are uniformly spaced, whereasin non-uniform type the…
September 21, 2021 · Taylor EmmaAuthor: Taylor Emma
A senior editor for The Mars that left the company to join the team of SenseCentral as a news editor and content creator. An artist by nature who enjoys video games, guitars, action figures, cooking, painting, drawing and good music.
Digital Communication
Differential PCM
For the samples that are highly correlated, when encoded by PCM technique, leave redundant information behind. To process…
September 21, 2021 · Taylor EmmaDigital Communication
Quantization
The digitization of analog signals involves the rounding off of the values which are approximately equal to the…
September 21, 2021 · Taylor EmmaDigital Communication
Bandwidth
We all know that most signals are transmitted in terms of electromagnetic or radio waves. As we have…
September 21, 2021 · Taylor EmmaDigital Communication
Noise
any communication system, during the transmission of the signal, or while receiving the signal, some unwanted signal gets…
September 21, 2021 · Taylor EmmaDigital Communication
Pulse Code Modulation (PCM)
This type of modulation is different from all modulations learnt so far. It is clear from the block…
September 21, 2021 · Taylor EmmaDigital Communication
Pulse Position Modulation
In this type of modulation, both the amplitude and width of the pulse are kept constant. We vary…
September 21, 2021 · Taylor EmmaDigital Communication
Pulse Time Modulation (PTM)
Here the pulses will have the same amplitude. However, one of their timing characteristics is made proportional to…
September 21, 2021 · Taylor EmmaDigital Communication
Pulse Width Modulation
Pulse Width Modulation (PWM) or Pulse Duration Modulation (PDM) or Pulse Time Modulation (PTM) is an analog modulating scheme in which the duration…
September 21, 2021 · Taylor EmmaDigital Communication
Types of Pulse Amplitude Modulation
There are two major types of PAMs: Single polarity PAM: Here, an appropriate fixed DC bias is integrated with…
September 21, 2021 · Taylor Emma